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Third Circuit Vacates and Remands District Court’s “Speculative” Equitable Allocation

September 17, 2018

Megan A. Elliott

MGKF Litigation Blog

Reminding all Superfund practitioners that while the application of allocation principles and factors may be flexible it is not without boundaries, on September 11, 2018, the Third Circuit filed an opinion vacating and remanding a District Court’s equitable allocation of cleanup costs because the lower court’s methodology resulted in an allocation that was too “speculative.” Trinity Indus., Inc. v. Greenlease Holding Co., No. 16-1994, 2018 WL 4324261, at *12 (3d Cir. Sept. 11, 2018). The Court pointed to two "mathematical" errors in the District Court’s analysis, and noted that although courts do not have to be perfectly precise in their calculations, they must be able to demonstrate a solid mathematical foundation for arriving at their final number. The ruling also offered guidance for the lower court on an appropriate methodology and application of certain equitable factors. This guidance could prove helpful for other practitioners in this area of the law regarding what the Third Circuit would deem non-speculative, and therefore acceptable.